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Collision free approach to resolve the DOM ID issue in a clean way. Fix to generation of ids for multiple checkboxes. Resolves ticket 4064.

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This commit is contained in:
euromark 2013-12-04 01:30:57 +01:00
parent a57c46ff93
commit aae0f762dd
4 changed files with 173 additions and 3 deletions
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126
lib/Cake/Test/Case/View/Helper/FormHelperTest.php
View file

@ -3222,8 +3222,8 @@ class FormHelperTest extends CakeTestCase {
$expected = array(
'input' => array('type' => 'hidden', 'name' => 'data[Model][multi_field]', 'value' => '', 'id' => 'ModelMultiField'),
array('div' => array('class' => 'checkbox')),
array('input' => array('type' => 'checkbox', 'name' => 'data[Model][multi_field][]', 'value' => '1/2', 'id' => 'ModelMultiField12')),
array('label' => array('for' => 'ModelMultiField12')),
array('input' => array('type' => 'checkbox', 'name' => 'data[Model][multi_field][]', 'value' => '1/2', 'id' => 'ModelMultiField1/2')),
array('label' => array('for' => 'ModelMultiField1/2')),
'half',
'/label',
'/div',
@ -4150,6 +4150,50 @@ class FormHelperTest extends CakeTestCase {
);
}
/**
* testDomIdSuffix method
*
* @return void
*/
public function testDomIdSuffix() {
$result = $this->Form->domIdSuffix('1 string with 1$-dollar signs');
$this->assertEquals('1StringWith1$-dollarSigns', $result);
$result = $this->Form->domIdSuffix('<abc x="foo" y=\'bar\'>');
$this->assertEquals('AbcX=FooY=Bar', $result);
$result = $this->Form->domIdSuffix('1 string with 1$-dollar signs', 'xhtml');
$this->assertEquals('1StringWith1-dollarSigns', $result);
$result = $this->Form->domIdSuffix('<abc x="foo" y=\'bar\'>', 'xhtml');
$this->assertEquals('AbcXFooYBar', $result);
}
/**
* testDomIdSuffixCollisionResolvement()
*
* @return void
*/
public function testDomIdSuffixCollisionResolvement() {
$result = $this->Form->domIdSuffix('a>b');
$this->assertEquals('AB', $result);
$result = $this->Form->domIdSuffix('a<b');
$this->assertEquals('AB1', $result);
$result = $this->Form->domIdSuffix('a\'b');
$this->assertEquals('AB2', $result);
$result = $this->Form->domIdSuffix('1 string with 1$-dollar', 'xhtml');
$this->assertEquals('1StringWith1-dollar', $result);
$result = $this->Form->domIdSuffix('1 string with 1€-dollar', 'xhtml');
$this->assertEquals('1StringWith1-dollar1', $result);
$result = $this->Form->domIdSuffix('1 string with 1$-dollar', 'xhtml');
$this->assertEquals('1StringWith1-dollar2', $result);
}
/**
* testSelect method
*
@ -4998,6 +5042,84 @@ class FormHelperTest extends CakeTestCase {
'/div'
);
$this->assertTags($result, $expected);
$result = $this->Form->select(
'Model.multi_field',
array('a+' => 'first', 'a++' => 'second', 'a+++' => 'third'),
array('multiple' => 'checkbox')
);
$expected = array(
'input' => array(
'type' => 'hidden', 'name' => 'data[Model][multi_field]', 'value' => '', 'id' => 'ModelMultiField'
),
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a+', 'id' => 'ModelMultiFieldA+'
)),
array('label' => array('for' => 'ModelMultiFieldA+')),
'first',
'/label',
'/div',
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a++', 'id' => 'ModelMultiFieldA++'
)),
array('label' => array('for' => 'ModelMultiFieldA++')),
'second',
'/label',
'/div',
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a+++', 'id' => 'ModelMultiFieldA+++'
)),
array('label' => array('for' => 'ModelMultiFieldA+++')),
'third',
'/label',
'/div'
);
$this->assertTags($result, $expected);
$result = $this->Form->select(
'Model.multi_field',
array('a>b' => 'first', 'a<b' => 'second', 'a"b' => 'third'),
array('multiple' => 'checkbox')
);
$expected = array(
'input' => array(
'type' => 'hidden', 'name' => 'data[Model][multi_field]', 'value' => '', 'id' => 'ModelMultiField'
),
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a&gt;b', 'id' => 'ModelMultiFieldAB2'
)),
array('label' => array('for' => 'ModelMultiFieldAB2')),
'first',
'/label',
'/div',
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a&lt;b', 'id' => 'ModelMultiFieldAB1'
)),
array('label' => array('for' => 'ModelMultiFieldAB1')),
'second',
'/label',
'/div',
array('div' => array('class' => 'checkbox')),
array('input' => array(
'type' => 'checkbox', 'name' => 'data[Model][multi_field][]',
'value' => 'a&quot;b', 'id' => 'ModelMultiFieldAB'
)),
array('label' => array('for' => 'ModelMultiFieldAB')),
'third',
'/label',
'/div'
);
$this->assertTags($result, $expected);
}
/**

10
lib/Cake/Test/Case/View/HelperTest.php
View file

@ -851,6 +851,16 @@ class HelperTest extends CakeTestCase {
$this->assertEquals('&amp;lt;script&amp;gt;alert(document.cookie)&amp;lt;/script&amp;gt;', $result);
}
/**
* testDomId method
*
* @return void
*/
public function testDomId() {
$result = $this->Helper->domId('Foo.bar');
$this->assertEquals('FooBar', $result);
}
/**
* testMultiDimensionalField method
*

1
lib/Cake/View/Helper.php
View file

@ -16,6 +16,7 @@
App::uses('Router', 'Routing');
App::uses('Hash', 'Utility');
App::uses('Inflector', 'Utility');
/**
* Abstract base class for all other Helpers in CakePHP.

39
lib/Cake/View/Helper/FormHelper.php
View file

@ -17,6 +17,7 @@
App::uses('ClassRegistry', 'Utility');
App::uses('AppHelper', 'View/Helper');
App::uses('Hash', 'Utility');
App::uses('Inflector', 'Utility');
/**
* Form helper library.
@ -109,6 +110,13 @@ class FormHelper extends AppHelper {
*/
public $validationErrors = array();
/**
* Holds already used DOM ID suffixes to avoid collisions with multiple form field elements.
*
* @var array
*/
protected $_domIdSuffixes = array();
/**
* Copies the validationErrors variable from the View object into this instance
*
@ -2065,6 +2073,34 @@ class FormHelper extends AppHelper {
return implode("\n", $select);
}
/**
* Generates a valid DOM ID suffix from a string.
* Also avoids collisions when multiple values are coverted to the same suffix by
* appending a numeric value.
*
* For pre-HTML5 IDs only characters like a-z 0-9 - _ are valid. HTML5 doesn't have that
* limitation, but to avoid layout issues it still filters out some sensitive chars.
*
* @param string $value The value that should be transferred into a DOM ID suffix.
* @param string $type Doctype to use. Defaults to html5. Anything else will use limited chars.
* @return string DOM ID
*/
public function domIdSuffix($value, $type = 'html5') {
if ($type === 'html5') {
$value = str_replace(array('<', '>', ' ', '"', '\''), '_', $value);
} else {
$value = preg_replace('~[^\\pL\d-_]+~u', '_', $value);
}
$value = Inflector::camelize($value);
$count = 1;
$suffix = $value;
while (in_array($suffix, $this->_domIdSuffixes)) {
$suffix = $value . $count++;
}
$this->_domIdSuffixes[] = $suffix;
return $suffix;
}
/**
* Returns a SELECT element for days.
*
@ -2609,6 +2645,7 @@ class FormHelper extends AppHelper {
$selectedIsEmpty = ($attributes['value'] === '' || $attributes['value'] === null);
$selectedIsArray = is_array($attributes['value']);
$this->_domIdSuffixes = array();
foreach ($elements as $name => $title) {
$htmlOptions = array();
if (is_array($title) && (!isset($title['name']) || !isset($title['value']))) {
@ -2677,7 +2714,7 @@ class FormHelper extends AppHelper {
if ($attributes['style'] === 'checkbox') {
$htmlOptions['value'] = $name;
$tagName = $attributes['id'] . Inflector::camelize(Inflector::slug($name));
$tagName = $attributes['id'] . $this->domIdSuffix($name);
$htmlOptions['id'] = $tagName;
$label = array('for' => $tagName);